1. Material: ABS
2. USB plug-in use
3. 36-level volume adjustment
4. Built-in headphone jack
5. Button touch dual operation
6. Anti-error touch timing design
7. Six sets of scenes, a total of 30 audios
8. Function: timing, music function
9. 66mm16 core 5W large-diameter speaker
10. Physical therapy, no dependence, no side effects
11. Imitate the rhythm of human breathing, cyclically gradually changing the rhythm of soft light
12. Size: 115x115x72mm
13. Unit weight: 0.37kg